Siemens
СРЕДСТВА ПРОМЫШЛЕННОЙ АВТОМАТИЗАЦИИ
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Каталог СА01 2018
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3TX7681-1B

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Заказной номерВесPGОписание продуктаЦена
3TX7681-1B7.341BМОНТАЖНАЯ ПЛАТА ДЛЯ 3TE6804По запросу

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3TE6 contactor assemblies for star-delta (wye-delta) starting are suitable for use in any climate. They are finger-safe according to IECВ 60529.

3TE6 contactor assemblies for star-delta (wye-delta) starting are available as complete units, and as components for customer assembly. They consist of two 3TF68В vacuum contactors, and the 3RT1075В contactor as the star (wye) contactor.

The complete unit combinations are optionally supplied without a main conducting path connection between the line contactor and the delta contactor.

Control circuit (auxiliary contacts)

The 3TF68 vacuum contactors have four lateral auxiliary switches, each with 1 NO + 1 NC contact. The following auxiliary contacts are required for the control circuit of the assembly:

  • Line contactor Q1: 13-14, 43-44
  • Star (wye) contactor Q2: 13-14, 21-22
  • Delta contactor Q3: 13-14, 21-22

The star-delta (wye-delta) changeover is implemented via a lateral timing relay 3RP1574 (1 to 20 ms) or 3RP1576 (3 to 60 ms).

For the wiring of the individual contactors, see the circuit diagrams of the control circuits in the reference manual "Switching Devices - Contactors and Contactor Assemblies", https://support.industry.siemens.com/cs/ww/en/view/35554359.

Motor protection

3TE68 star-delta (wye-delta) contactor assemblies are supplied without overload protection. Overload relays or thermistor motor protection evaluation units must be ordered separately.

The overload relay can be either mounted onto the line contactor or separately fitted. It must be set to 0.58 times the rated motor current.

















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Арматура DENDOR

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Датчики и измерители

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Регуляторы и регистраторы

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Пневматическое оборудование

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Краны и Клапаны

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Измерительные приборы

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Системы беспроводного управления «умный дом»

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Бесконтактные выключатели Конечные выключатели Оптические датчики Энкодеры

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SKW-FS - Установка умягчения

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SKW-FK - Установка обезжелезивания
Каталог оборудования 2018
Siemens Industry Catalog Drive technology Automation technology Automation systems Operator control and monitoring systems SIMATIC HMI Identification systems Industrial communication Industrial controls Industrial Communication Switching devices Contactors and contactor assemblies Power contactors for switching motors Reversing contactor assemblies Contactor assemblies for star-delta (wye-delta) starting SIRIUS 3RA24 contactor assemblies for star-delta (wye-delta) starting up to 90 kW Contactor ass. for star-delta (wye-delta) starting consisting of SIRIUS 3RT contactors, up to 500 kW SIRIUS 3RA14 contactor assemblies for star-delta (wye-delta) starting up to 75 kW 3TE6 contactor assemblies for star-delta (wye-delta) starting Contactors for special applications Contactor relays Coupling relays Accessories and spare parts Soft starters and solid-state switching devices Protection Equipment Load feeders and motor starters Monitoring and control devices Safety Technology Position and Safety Switches Commanding and signaling devices Parameterization, Configuration and Visualization with SIRIUS SITOP power supply SIRIUS non-stabilized power supplies Transformers Filters Reactors Industry software PC-based Automation Process control systems Process instrumentation Process analytics SITOP power supply Products for specific requirements Energy Building Technologies Low-Voltage controls and distribution Safety Systems - Safety Integrated Market-specific solutions Industry Services Software ... and everything else you need




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